Server.java

/***************************************************************
 * This class contains the main function to execute the 
 * server side portion of the game.
 **************************************************************/

import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.ArrayList;
import java.util.Iterator;

public class Server extends Thread
{
    private final GameHandler gameHandler;
    private final GameState gameState;
    private ServerSocket serverSocket;
    private boolean running = false;
    public static ArrayList<Socket> clientSocketList = new ArrayList<Socket>();

    public Server()
    {
        //Set up initial GameState with server start
        gameState = new GameState();
        gameHandler = new GameHandler(gameState); 
        // Set up GameHandler
        startServer();
        //should not be reached
        stopServer();
    }

    public void startServer()
    {
        try
        {
            serverSocket = new ServerSocket( 55332);
            this.start();
        }
        catch (IOException e)
        {
            e.printStackTrace();
        }
    }

    public void stopServer()
    {
        running = false;
        this.interrupt();
    }
    

    synchronized public static void removeSocket(Socket socket){
        for (Iterator<Socket> socketIterator = clientSocketList.iterator(); socketIterator.hasNext();) {
            Socket socketTemp = socketIterator.next();
            if(socket.equals(socketTemp)) {
                socketIterator.remove();
            }
        }
    }

    synchronized private void addSocket(Socket socket){
        clientSocketList.add(socket);
    }


    public Boolean isServerConnected()
    {
        if(!this.serverSocket.isClosed()){
            return true;
        } else if(this.serverSocket.isClosed()){
            return false;
        } else {
            System.out.println("Serious Error when testing for ServerSocket connection on IP and PORT");
            return false;
        }
    }

    @Override
    public void run()
    {
        System.out.println( "Listening for connections" );
        running = true;
        while( running )
        {
            try
            {
                // Call accept() to receive the next connection
                Socket socket = serverSocket.accept();

                // Pass the socket to the RequestHandler thread for processing
                RequestHandler requestHandler = new RequestHandler( socket, gameHandler );
                
                //Add new socket to list of sockets
                addSocket(socket);

                //start the new thread
                requestHandler.start();
            }
            catch (IOException e)
            {
            	System.out.println("Exception in Server run()");
                e.printStackTrace();
                
            }
        }
    }

    public static void main( String[] args )
    {
        Server server = new Server();
    }
}